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144322430220 = 223251942199541
BaseRepresentation
bin1000011001101001001…
…0011000010100001100
3111210112002010002022100
42012122102120110030
54331033020231340
6150144550315100
713266305262453
oct2063222302414
9453462102270
10144322430220
1156230281a21
1223b79358a90
13107c0235b07
146db1713b9a
153b4a436830
hex219a49850c

144322430220 has 72 divisors (see below), whose sum is σ = 460818998640. Its totient is φ = 36460402560.

The previous prime is 144322430209. The next prime is 144322430261. The reversal of 144322430220 is 22034223441.

144322430220 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 2 + 2 + 430 + 220 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21096351 + ... + 21103190.

It is an arithmetic number, because the mean of its divisors is an integer number (6400263870).

Almost surely, 2144322430220 is an apocalyptic number.

144322430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144322430220 is an abundant number, since it is smaller than the sum of its proper divisors (316496568420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144322430220 is a wasteful number, since it uses less digits than its factorization.

144322430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199575 (or 42199570 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 144322430220 its reverse (22034223441), we get a palindrome (166356653661).

The spelling of 144322430220 in words is "one hundred forty-four billion, three hundred twenty-two million, four hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 42199541 84399082 126598623 168798164 210997705 253197246 379795869 421995410 506394492 632993115 759591738 801791279 843990820 1265986230 1519183476 1603582558 1898979345 2405373837 2531972460 3207165116 3797958690 4008956395 4810747674 7216121511 7595917380 8017912790 9621495348 12026869185 14432243022 16035825580 24053738370 28864486044 36080607555 48107476740 72161215110 144322430220